Amoco Elm Grove, WI

Amoco, short for American Oil Company, was a petroleum and chemical company based in the United States. Founded in 1889, Amoco was once one of the largest oil companies in the world, with a strong focus on innovation and research. In the late 20th century, Amoco merged with BP, forming an even larger and more diversified energy company. Despite its merger, Amoco remains a recognizable and respected brand, known for its commitment to safety, quality, and environmental stewardship.